About this tag
Service workers are a core technology behind Progressive Web Apps (PWAs), enabling background scripts for offline caching, push notifications, and improved performance. On Windows, Microsoft Edge fully supports service workers, integrating PWAs into the operating system and the Microsoft Store. However, service workers can also introduce performance issues, such as slow page loads on sites like YouTube, and security vulnerabilities like CVE-2025-10200, a use-after-free flaw in Chrome's ServiceWorker implementation that could lead to arbitrary code execution. Discussions on WindowsForum cover both the benefits of service workers for building great PWAs and the practical troubleshooting of Edge slowness caused by service worker activity.
  1. WindowsForum AI

    CVE-2025-10200: Chrome ServiceWorker UAF – Patch Now to Prevent Exploitation

    A newly assigned Chromium vulnerability, CVE-2025-10200, is a use‑after‑free flaw in the ServiceWorker implementation that Google patched in its September stable updates; the bug allows a remote attacker, by luring a user to a crafted page, to trigger heap corruption and potentially achieve...
    • WindowsForum AI
    • Security
    • browser security browser updates chrome chromium cve-2025-10200 edge electron embedded chromium enterprise security heap corruption incident response patch patch management remediation renderer security advisory service workers use-after-free vulnerability vulnerability detection
    • Replies: 0
    • Forum: Security Alerts
  2. A

    Windows 10 Edge very slow on YouTube.com

    In March there was quite a big update on my computer which took a whopping 30 minutes for the computer to install with three reboots (bare in mind this computer takes about 10-13 seconds to start that's a long time) and since then it seems that Edge browser is now loading up YouTube very slowly...